#57BFDD#57BFDD

#57BFDD is a light, moderate cyan. Relative luminance 0.445; OKLCH L 75.5% C 0.105 H 219.7°. Best body text is #000000 at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#57BFDD
RGB	rgb(87, 191, 221)
HSL	hsl(193, 66%, 60%)
HSV	hsv(193, 61%, 87%)
CMYK	cmyk(60.6%, 13.6%, 0%, 13.3%)
CIE-LAB	lab(72.56, -21.30, -24.02)
CIE-LCH	lch(72.56, 32.10, 228.43°)
OKLab	oklab(75.5% -0.0804 -0.0668)
OKLCH	oklch(75.5% 0.105 219.7)
XYZ	xyz(35.6072, 44.5047, 75.1063)
Luminance	0.4451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BFDD #DD7557

analogous

#57DDB8 #57BFDD #577CDD

triadic

#57BFDD #DD57BF #BFDD57

tetradic

#57BFDD #B857DD #DD7557 #7CDD57

square

#57BFDD #B857DD #DD7557 #7CDD57

split-complementary

#57BFDD #DD577C #DDB857

monochromatic

#1F7F9A #2AA9CD #57BFDD #8AD2E7 #BDE6F2

Accessibility & contrast

On white

2.12

#57BFDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.90

#57BFDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BFDD

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BFDD	#FFFFFF	#000000	##000000
##57BFDD	1.00	2.12	9.90	9.90
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.90	21.00	1.00	1.00
##000000	9.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACBADF

Deuteranopia (green-blind)

#99ACDD

Tritanopia (blue-blind)

#00C9C8

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #57bfdd;
/* rgb */ color: rgb(87, 191, 221);
/* oklch */ color: oklch(75.5% 0.105 219.7);

Tailwind

colors: {
  custom: {
    50: '#93d2e7',
    500: '#57bfdd',
    950: '#000000',
  },
}

SCSS

$custom: #57bfdd;
$custom-light: #93d2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#57bfdd",
  "rgb": {
    "r": 87,
    "g": 191,
    "b": 221
  },
  "hsl": {
    "h": 193.433,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.75497,
    "c": 0.10455,
    "h": 219.7
  },
  "luminance": 0.44508
}

Semantic roles & 50–950 ramp

primary

#57BFDD

secondary

#E1BAAE

accent

#4017CE

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BFDD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →